Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Evaporative Emission Canister Purge Valve
Removal and Installation
1. WARNING: The evaporative emission system contains fuel vapor
and condensed
fuel vapor. Although not in large quantities, it still presents the
danger of explosion or
fire. Disconnect the battery ground cable from the bat ...
Differential Case
Special Tool(s)
2-Jaw Puller
205-D072 (D97L-4221-A) or
equivalent
Dial Indicator Gauge with
Holding Fixture
100-002 (TOOL-4201-C) or
equivalent
Gauge, Clutch Housing
308-021 (T75L-4201-A) or
equivalent
Instal ...
Battery (Diagnosis and Testing)
Special Tool(s)
Micro 490 Digital Battery
Analyzer
162-00004
Inspection and Verification
1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical
damage.
Visual Inspecti ...
